What functions does the muscular system perform?
it provides stability, movement, and posture.
it generates and conducts electrical signals.
it produces melanin, which protects from the sun.
it produces oil, which protects from foreign invasion.

The development of_ factored in the development of complex organisms.

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false